(chiefly Britain, Ireland, Newfoundland, colloquial, dated) Used as a term of endearment, originally for a person of either sex, but later primarily for a man.

(also attributively) Short for cockatoo farmer (“small-scale farmer”); (by extension) any farmer or owner of rural land.

(intransitive, chiefly Australia, informal, historical) To operate a small-scale farm.

Overly confident; arrogant and boastful.